用所给词的正确形式填空。 1. He has a lot of homework (do). 2. I'm not sure whether I (be) on time. 3. If we (take) good care of the young trees, they will grow up quickly. 4. Have you read the book (call) 'Gone with the wind?' 5. We (come) if it doesn't rain tomorrow. 6. You have to spend half an hour (read) English every day. 7. Here (come) the bus! 8. Is that house large enough for all of us (live) in? 9. When school was over yesterday, it (snow). 10. I'm too tired. Let's (stop) to have a rest.